Castrol Power 1 4T 15W-50 Motor Oil (4L) is a premium four-stroke semi-synthetic motor oil designed for modern, high-performance motorcycles. Its Trizone Technology reduces internal friction losses, improving multi-plate clutch performance up to 35%. Its special additive formulation provides maximum engine performance while ensuring exceptional protection of components exposed to high thermal loads. Additionally, it reduces oil consumption and wear, ensuring constant engine performance.